package com.example.mychatroom.serviceApi;

import com.example.mychatroom.model.Friend;
import com.example.mychatroom.model.MessageSession;

import java.util.HashMap;
import java.util.List;

public interface FriendService {
    List<Friend> getFriendList(String userAccount);

    List<MessageSession> getSessionList(String userAccount);

    HashMap<String, Integer> createSession(String userAccount, String toUserAccount);

}
